Home / 164,731.86-246,507.30-142,621.56

Finding the Fourth Proportional to 164,731.86, 246,507.30 and 142,621.56

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Solution

The fourth proportional to 164,731.86, 246,507.30 and 142,621.56 is: 213,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,731.86 : 246,507.30 = 142,621.56 : x
  2. Step 2: Convert to fraction form
    164,731.86/246,507.30 = 142,621.56/x
  3. Step 3: Cross multiply
    164,731.86x = 246,507.30 × 142,621.56
  4. Step 4: Simplify right side
    164,731.86x = 35,157,255,677.39
  5. Step 5: Solve for x
    x = 35,157,255,677.39/164,731.86
  6. Step 6: Final answer
    x = 213,421.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.